111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
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/*
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* Copyright (c) 1990 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1990 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)mkfifo.c 5.3 (Berkeley) 6/1/90";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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main(argc, argv)
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int argc;
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char **argv;
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{
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extern int errno, optind;
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int ch, exitval, pflag;
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pflag = 0;
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while ((ch = getopt(argc, argv, "p")) != EOF)
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switch(ch) {
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case 'p':
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pflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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if (!*(argv += optind))
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usage();
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for (exitval = 0; *argv; ++argv) {
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if (pflag && build(*argv)) {
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exitval |= 1;
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continue;
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}
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if (mkfifo(*argv, 0777) < 0) {
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(void)fprintf(stderr, "mkfifo: %s: %s\n",
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*argv, strerror(errno));
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exitval |= 1;
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}
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}
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exit(exitval);
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}
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build(path)
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char *path;
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{
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register char *p;
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struct stat sb;
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for (p = path; *p; p++) {
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if (*p != '/')
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continue;
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if (stat(path, &sb)) {
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if (errno != ENOENT || mkdir(path, 0777) < 0) {
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(void)fprintf(stderr, "mkdir: %s: %s\n",
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path, strerror(errno));
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return(1);
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}
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}
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*p = '/';
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}
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return(0);
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}
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usage()
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{
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(void)fprintf(stderr, "usage: mkfifo [-p] fifoname ...\n");
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exit(1);
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}
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